2.9" NFC-Powered e-Paper Evaluation Kit Comes with NFC-Powered e-Paper, NFC reader, Micro SD card, and essential accessories Ready-to-Use
Adopts novel passive NFC technologyNo battery required, no more battery life trouble. Wireless NFC-Powered Display Refreshing. Passive NFC solution, No Battery Required, No messy wiring, stable operation
How it works
To refresh the display content, use a smart phone with NFC function, or an NFC reader, close to the e-Paper for both wireless powering and data transfer
NFC Board Introduction
ST25R3911B NFC chip, STM32F103R controller, OLED display, user buttons, and common used interfaces
-
STM32F103RBT6
-
Core: ARM® 32-bit Cortex™-M3
-
Operating Frequency:72MHz
-
Operating Voltage:2.0V-3.6V
-
Package:LQFP64
-
Memories: 128kB Flash, 20kB SRAM
-
Communication Interfaces: 2 x SPI, 3 x USART, 2 x I2C, 1 x CAN, 1 x USB
-
AD & DA Converters: 2 x AD (12-bit, shares 16 channels)
-
ST25R3911B: NFC chip, aka AS3911B
-
23LC1024: SRAM, 1Mbit
-
CP2102: USB TO UART converter, for debugging
-
SPX3819: 3.3V voltage regulator
-
1.3" OLED: blue display, 128×64 pixels, SH1106 driver
- 4x user buttons:
- 2x user indicators
- MCU unused pins
- USB TO UART port
- Micro SD slot
- SWD programming interface
- NFC induction coil
-
UART pin configuration RXD: connected to RXD2 by default, changeable to RXD1 via 0? resistor TXD: connected to TXD2 by default, changeable to TXD1 via 0? resistor
Refreshing Example
- Refreshed By Smartphone, Comes With Android APP, As Easy As Swiping A Credit Card
- Refreshed by ST25R3911B NFC Board included in the Kit
Application examples
Suitable for price Tags, asset/equipment Tags, shelf labels, conference name tags...
Specifications
- Power supply Wireless
- Grey scale 2
- Display color Black / White
- Refresh time 2s (data transfer time is not included)
- Dot pitch 0.138×0.138
- Display size 66.89mm×29.05mm
- Resolution 296×128
- Outline dimension 87.5mm×47.7mm
- Viewing angle >170°
Lieferumfang
- 2.9inch NFC-Powered e-Paper x1
